/
eyesDetector.cpp
executable file
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/
eyesDetector.cpp
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/** @file */
/*
EYE DETECTOR CLASS
Copyright (C) 2009 Rohan Anil (rohan.anil@gmail.com) -BITS Pilani Goa Campus
http://code.google.com/p/pam-face-authentication/
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "eyesDetector.h"
#include "pam_face_defines.h"
#include <stdio.h>
#include "opencv2/opencv.hpp"
double CenterofMass(IplImage* src,int flagXY);
char HAAR_CASCADE_EYE[2000]= "/opt/face/haarcascade_eye_tree_eyeglasses.xml";
char HAAR_CASCADE_EYE_2[2000]= "/opt/face/haarcascade_eye.xml";
eyesDetector::eyesDetector()
{
nested_cascade = (CvHaarClassifierCascade*)cvLoad(HAAR_CASCADE_EYE, 0, 0, 0 );
if(nested_cascade==NULL)
{exit(-1);}
nested_cascade_2 = (CvHaarClassifierCascade*)cvLoad(HAAR_CASCADE_EYE_2, 0, 0, 0 );
if(nested_cascade_2==NULL)
{exit(-1);}
storage = cvCreateMemStorage(0);
cvClearMemStorage( storage );
eyesInformation.LE =cvPoint(0,0);
eyesInformation.RE =cvPoint(0,0);
eyesInformation.Length =0;
bothEyesDetected=0;
}
int eyesDetector::checkEyeDetected()
{
if (bothEyesDetected==1)
{
return 1;
}
else
{
return 0;
}
}
void eyesDetector::runEyesDetector(IplImage * input,IplImage * fullImage,CvPoint LT)
{
bothEyesDetected=0;
//static int countR;
//static CvPoint leftEyeP,rightEyeP;
eyesInformation.LE =cvPoint(0,0);
eyesInformation.RE =cvPoint(0,0);
eyesInformation.Length =0;
if (input==0)
return;
double scale=1,j=0;
// //printf("%e SCALE \n\n",scale);
IplImage *gray = cvCreateImage( cvSize(input->width,input->height/(2)), 8, 1 );
IplImage *gray_fullimage = cvCreateImage( cvSize(fullImage->width,fullImage->height), 8, 1 );
IplImage *gray_scale = cvCreateImage( cvSize(input->width/scale,input->height/(2*scale)), 8, 1 );
cvSetImageROI(input,cvRect(0,(input->height)/(8),input->width,(input->height)/(2)));
cvCvtColor( input, gray, CV_BGR2GRAY );
cvResetImageROI(input);
cvCvtColor( fullImage, gray_fullimage, CV_BGR2GRAY );
cvResize(gray,gray_scale,CV_INTER_LINEAR);
cvClearMemStorage( storage );
CvSeq* nested_objects = cvHaarDetectObjects(gray_scale, nested_cascade, storage,1.4, 2, 0,cvSize(0,0) );
int count=nested_objects ? nested_objects->total : 0;
if (count==0)
{
nested_objects = cvHaarDetectObjects( gray_scale, nested_cascade_2, storage,1.4, 2, 0,cvSize(0,0) );
}
int leftT=0,rightT=0;
count=nested_objects ? nested_objects->total : 0;
//int Flag=0;
if (count>1)
{
for ( j = 0; j < (nested_objects ? nested_objects->total : 0); j++ )
{
CvPoint center;
CvRect* nr = (CvRect*)cvGetSeqElem( nested_objects, j );
center.x = cvRound((LT.x+ (nr->x + nr->width*0.5)*scale));
center.y = cvRound((LT.y + (input->height)/8 + (nr->y + nr->height*0.5)*scale));
if ((center.x-4)>0 && (center.x-4)<(IMAGE_WIDTH-8) && (center.y-4)>0 && (center.y-4)<(IMAGE_HEIGHT-8))
{
cvSetImageROI(gray_fullimage,cvRect(center.x-4,center.y-4,8,8));
IplImage* eyeDetect = cvCreateImage(cvSize(8,8),8,1);
cvResize( gray_fullimage,eyeDetect, CV_INTER_LINEAR ) ;
cvResetImageROI(gray_fullimage);
double xCordinate=(center.x-4+CenterofMass(eyeDetect,0));
double yCordinate=(center.y-4+CenterofMass(eyeDetect,1));
cvReleaseImage( &eyeDetect );
if (center.x<cvRound((LT.x + input->width*0.5)))
{
eyesInformation.LE.x=xCordinate;
eyesInformation.LE.y=yCordinate;
//cvCircle( fullImage, cvPoint(eyesInformation.LE.x,eyesInformation.LE.y), 4, CV_RGB(128,128,128), 1, 8, 0 );
leftT=1;
}
else
{
eyesInformation.RE.x=xCordinate;
eyesInformation.RE.y=yCordinate;
//cvCircle( fullImage, cvPoint(eyesInformation.RE.x,eyesInformation.RE.y), 4, CV_RGB(128,128,128), 1, 8, 0 );
rightT=1;
}
}
}
if (leftT==1 && rightT==1)
{
eyesInformation.Length=sqrt(pow(eyesInformation.RE.y-eyesInformation.LE.y,2)+ pow(eyesInformation.RE.x-eyesInformation.LE.x,2));
bothEyesDetected=1;
}
}
cvReleaseImage(&gray_fullimage);
cvReleaseImage(&gray);
cvReleaseImage(&gray_scale);
cvClearMemStorage( storage );
}